#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
////int main()
////{
////	int a = 521;
////	printf("%d\n", a);
////	int b = 3;
////	printf("%d\n", b %= 2);
////	return 0;
////}
int main()
{
	printf("%c", 'c');
	return 0;
}